86983428 has 60 divisors (see below), whose sum is σ = 236852560. Its totient is φ = 24844176.

The previous prime is 86983409. The next prime is 86983433. The reversal of 86983428 is 82438968.

It is a happy number.

It is a super-2 number, since 2×86983428² = 15132233493262368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27303 + ... + 30321.

Almost surely, 2^86983428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86983428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118426280).

86983428 is an abundant number, since it is smaller than the sum of its proper divisors (149869132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86983428 is a wasteful number, since it uses less digits than its factorization.

86983428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054 (or 3031 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 86983428 is about 9326.4906583345. The cubic root of 86983428 is about 443.0766257770.

The spelling of 86983428 in words is "eighty-six million, nine hundred eighty-three thousand, four hundred twenty-eight".